NGSS.MS-LS2-4

A rainforest area is experiencing a severe drought. As a consequence, the insect population has decreased. What will the insect-eating birds most likely do as a result of the drought?

• stop searching for food until it begins to rain
• begin reproducing to increase population
• move to a new area to find food
• start the process of hibernation

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NGSS.MS-LS2-4

In a forest ecosystem, a food chain might look like this:
green plants → rabbit → fox → panther

If the green plants are destroyed in a forest fire, which short-term effect will this have on the organisms in this food chain?

• There would be fewer rabbits for the foxes to eat. 
• The panthers would have to begin to eat green plants.
• There would be an increase in the fox population
• There would be more green plants for the rabbits to eat

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NGSS.MS-LS2-4

 Which biome is more likely to survive a change in the environment?

• High (rich) biodiversity
• Low (poor) biodiversity

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NGSS.MS-LS2-4

how does increasing nitrates impact stream health

• excess algae
• increased oxygen
• increased water clarity

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NGSS.MS-LS2-4

The most sustainable ecosystem would

• Have low biodiversity

• Have high biodiversity

• Not experience change

• Have no predators

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NGSS.MS-LS2-4

What is the role of LORAX in the story?

• the entrepreneur (business man)

• the environmentalist (cares for environment)

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NGSS.MS-LS2-4

Which would lead to the greatest reduction of dissolved oxygen in a lake?

• decreased number of fish in the lake

• increased number of fish in the lake

• increased nutrients and algal blooms

• decreased number of plants surrounding the lake

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NGSS.MS-LS2-4

Invasive species can crowd out native species.

• TRUE

• FALSE

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NGSS.MS-LS2-4

1) What would be a positive reason to genetically alter Fraser Fir trees in North Carolina to make them more resistant to rot?

• By producing crops that are frost resistant

• By making robots to replace large farm machines

• The population of fir trees would increase and grow healthier.

• By increasing the use of wind farms that produce electricity

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NGSS.MS-LS2-4

What may happen if the snowshoe hare was removed from the food web pictured?

• The insects in the habitat would increase.
• The shrew population would decrease due to being only hawk food source.
• The willow tree population would decrease.
• Foxes would dies due to no food source. 

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NGSS.MS-LS2-4